[Dune] Re: Flyspray task #66 - Implement GeometryType as a small class

[Oliver Sander]

Hallo Adrian!
Was wären denn die Vorteile dieser Implementierung?
Grüße,
Oliver

************************************************************************
* Oliver Sander                **                                      *
* Freie Universität Berlin     ** email: sander at math.fu-berlin.de      *
* Institut für Mathematik II   ** phone: + 49 (30) 838 75217           *
* Arnimallee 2-6               ** fax  : + 49 (30) 838 54977           *
* 14195 Berlin, Germany        ** URL  : www.math.fu-berlin.de/~sander *
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On Tue, 13 Dec 2005 dune at hal.iwr.uni-heidelberg.de wrote:

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> Adrian Burri (burriad) has added the following comment to this task.
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> Task #66: Implement GeometryType as a small class
> -----
> My proposal:
>
>  class GeometryHandler
>  {
>  public:
>    enum GeometryType {vertex, line, triangle, quadrilateral,
> tetrahedron, pyramid prism, hexahedron, unknown};
>    enum TopologyType {simplex, cube, both, none};
>
>  public:
>    GeometryHandler(GeometryType geo);
>    GeometryHandler(TopologyType topo, int dim);
>
>    TopologyType topology() const;
>    GeometryType geometry() const;
>    int dim() const;
>
>  private:
>    TopologyType toTopology(GeometryType geo);
>    GeometryType toGeometry(TopologyType topo, int dim);
>
>  private:
>    GeometryType geo_;
>    TopologyType topo_;
>    int dim_;
>  };
>
> Or the same in two classes which are convertible into one another.
> -----
> http://hal.iwr.uni-heidelberg.de/flyspray/index.php?do=details&id=66&area=comments#tabs
>